Im 32 Weeks Pregnant And Have Had Severe Morning Sickness

Im 32 weeks pregnant and have had severe morning sickness throughout my entire pregnancy. I have tried zofran, phenergan, diclegis, but nothing helps expect for a little bit of marijuana. I quit smoking several days ago and have constantly been throwing up. I cant even keep down water. What should I do? I plan on talking to my midwife about the whole siutation this week. What should i do until then?